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https://issues.apache.org/jira/browse/HDFS-7632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14280028#comment-14280028
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Hadoop QA commented on HDFS-7632:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12692700/HDFS-7632.001.patch
against trunk revision c4ccbe6.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 13 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.hdfs.server.namenode.TestFileTruncate
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/9244//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9244//console
This message is automatically generated.
> MiniDFSCluster configures DataNode data directories incorrectly if using more
> than 1 DataNode and more than 2 storage locations per DataNode.
> ---------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-7632
> URL: https://issues.apache.org/jira/browse/HDFS-7632
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: HDFS-7632.001.patch
>
>
> {{MiniDFSCluster}} allows the caller to set the number of storage locations
> per DataNode. If this number is set higher than 2, and if the cluster is
> configured with more than 1 DataNode, then the calculation of the storage
> directory paths will be incorrect. Multiple DataNodes will attempt to use
> the same storage directory, and one of them will fail while trying to acquire
> the file lock.
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